Trouble Shooting
GB 17
CDR Mozart
5.
Servo Drivers Check (Radial Servo)
NOK
OK
OK
RADIAL SERVO OK
SERVO DRIVERS CHECK
USE FREYA2 CIRCUIT DIAGRAM 1 AND 3 AND FREYA SERVO BOARD BOTTOM- AND TOP VIEW: TESTPOINTS
Execute "radial control" tests
Check power part
Check reset and clock part
Check
S1V65
(=1V65) at
testpoint S9
NOK
Check R3002, R3065, C2054
OK
Check MACE 7019
OK
VRA
GND
Check
RAD+
signal on testpoint S14 (TP53):
+4V2 (going to 6V8 when executing "radial control on")
Check
RAD-
signal on testpoint S15 (TP56):
+0V65 (going to 4V3 when executing "radial control off")
NOK
OK
RADIAL SERVO OK
RADIAL SERVO
OK
Execute "radial control on" test
Check
VRA
signal on
testpoint S13 (TP152)
PM3392A
ch1:freq=532kHz
CH1:1.00 V= MTB 500ns
NOK
Execute "radial control off" test
Check
VRA
signal on
testpoint S13 (TP152)
PM3392A
ch1:freq=1.06MHz
CH1:1.00 V= MTB 500ns
VRA
GND
Check MACE 7019
NOK
Check driver 7003
Check MACE 7019
Check VAM5020
CL 16532046_013.eps
101001
Switch on player
via ComPair mode